Home / 13,502.30-20,253.45-9,787.10

Finding the Fourth Proportional to 13,502.30, 20,253.45 and 9,787.10

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Solution

The fourth proportional to 13,502.30, 20,253.45 and 9,787.10 is: 14,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.30 : 20,253.45 = 9,787.10 : x
  2. Step 2: Convert to fraction form
    13,502.30/20,253.45 = 9,787.10/x
  3. Step 3: Cross multiply
    13,502.30x = 20,253.45 × 9,787.10
  4. Step 4: Simplify right side
    13,502.30x = 198,222,540.50
  5. Step 5: Solve for x
    x = 198,222,540.50/13,502.30
  6. Step 6: Final answer
    x = 14,680.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.